downcast

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Directed downward: a downcast glance.
2. adj. Low in spirits; depressed. See Synonyms at depressed.

Century Dictionary and Cyclopedia

1. Cast or directed downward: as, a downcast eye or look.
2. Hence Depressed; dejected: as, a down-cast spirit.
3. In mining, descending. The current of air taken from the surface to ventilate the interior of a coal-mine is called the downcast current, and the shaft through which it is conveyed the downcast shaft.
4. n. A downward look: generally implying sadness or pensiveness.
5. n. In mining, the ventilating shaft down which the air passes in circulating through a mine.
6. n. In ship-building, a duct or trunk with a cowl or hood at its upper end, arranged to drive air down into the interior of a vessel.

Wiktionary

1. adj. of eyes Looking downwards.
2. adj. of a person Feeling despondent.
3. n. computing A cast from supertype to subtype.
4. n. obsolete A melancholy look.
5. n. mining A ventilating shaft down which the air passes in circulating through a mine.
6. v. transitive, obsolete To cast or throw up; to turn upward.
7. v. transitive, Scotland To taunt; to reproach; to upbraid.
8. v. transitive, computing To cast from supertype to subtype.

GNU Webster's 1913

1. adj. Cast downward; directed to the ground, from bashfulness, modesty, dejection, or guilt.
2. adj. depressed; dispirited; dejected; -- of people.
3. n. Downcast or melancholy look.
4. n. (Mining) A ventilating shaft down which the air passes in circulating through a mine.

WordNet 3.0

1. adj. directed downward
2. n. a ventilation shaft through which air enters a mine
3. adj. filled with melancholy and despondency